Calculate the gravitational force between the Earth and the moon. The mass of the Earth 5.9742 x 1024 kilograms and the mass of the moon is 7.36 * 1022
kilograms. The radius of the orbit is 382171 km.

Somebody pls explain and help me I’m lost.

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.